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Pentek WP5BB97P String Water Filter - Big Blue 5 Micron

Retail: $32.99
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Watts 10" x 4.5" String Wound Filter - 5 Micron

Retail: $29.99
You Save: 20%
Buy 1 - 7 for $23.95 ea.
Buy 8+ for $21.95 ea.
Ready to Ship!
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15000 Gallons
Micron Rating
Media Type
Reduces Sediment
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Product Information
Pentek WP5BB97P
Watts SF5-10-425

The Pentek WP5BB97P replacement string water filter is an affordable solution to the Keystone GW5 for reducing sand, dirt, rust, scale, and sediment particles from your water. This Pentek water filter is constructed with durable polypropylene string that is wound tightly around a solid polypropylene core for maximum efficiency and filtration. This 10 inch water filter boasts a 5 micron rating and a flow rate of up to 20 gallons per minute. The service life of this 5 micron water filter depends on usage. If you see a significant drop in pressure you should change your cartridge.


  • Brand: Pentek
  • Model Number: WP5BB97P
  • Part Number: 355214-43
  • Capacity: 15,000 gallons or 3 months
  • Filter Media: Polypropylene Fiber Cord
  • Operating Temperature Range: 40-145° F
  • Micron Rating: 5
  • Flow Rate: 20 gpm
  • Dimensions: 9-7/8" x4-1/2"

Fits In These Systems:

This Pentek WP5BB97P string water filter fits the following water filter housings:

  • 10" Big Blue housings
  • Culligan/Ametek/Pentek and other brands

Compatible Parts:

The Pentek WP5BB97P is the correct replacement for the following part numbers:

Part Number
Aqua Flo 36138
Aqua Flo P-SW-5-10BV
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